Mathematics, 29.06.2021 17:10 sam2019
1ª QUESTÃO) (IFS – 2013) A parábola representada pela função abaixo, corta o eixo das abscissas nos pontos:
(A) (0, 0) e (3, 0)
(B) (0, 1) e (0, 2)
(C) (1/2, 0) e (1/3, 0)
(D) (0, 6) e (0, – 5)
(E) (1/6, 0) e (−1/5, 0)
Answers: 3
Mathematics, 21.06.2019 19:30
The length of a shadow of the building is 36m. the length of the pole, which is perpendicular to the ground, is 1.9m. the length of the pole's shadow is 1.52m. what is the height of the building?
Answers: 1
Mathematics, 22.06.2019 02:20
Two researchers are attempting to create a new psychotherapy protocol that more reduces panic attacks. they believe that they have succeeded and are now in the clinical trial period of their protocol's development. they are working with several cohort groups, some of which have been through the new protocol, while others have done the standard protocol currently recommended. if these researchers are interested in evaluating the difference in the percentage of test subjects who successfully decreased their panic attacks in 2 months on the new protocol versus the percentage of test subjects who successfully decreased their panic attacks in 2 months with the traditional protocol, which of the following statistical tests would be most appropriate? a. analysis of variance (anova) b. correlation c. chi-square test d. paired t-test e. independent t-test
Answers: 2
1ª QUESTÃO) (IFS – 2013) A parábola representada pela função abaixo, corta o eixo das abscissas nos...
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